著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Ohki Jun'ichi and Shuto Kenji and Kagami Hiroo,Middle Miocene bimodal volcanism by asthenospheric upwelling: Sr and Nd isotopic evidence from the back-arc region of the Northeast Japan arc.,GEOCHEMICAL JOURNAL,0016-7002,一般社団法人日本地球化学会,1994,28,6,473-487,https://cir.nii.ac.jp/crid/1390282679528428032,https://doi.org/10.2343/geochemj.28.473